71274897

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 113743872

約数和(自身を除く): 42468975

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 191, 271, 459, 573, 813, 1377, 1719, 2439, 3247, 4607, 5157, 7317, 9741, 13821, 15471, 21951, 29223, 41463, 51761, 87669, 124389, 155283, 263007, 373167, 465849, 879937, 1397547, 2639811, 4192641, 7919433, 23758299, 71274897]

約数ペア:

[(1, 71274897), (3, 23758299), (9, 7919433), (17, 4192641), (27, 2639811), (51, 1397547), (81, 879937), (153, 465849), (191, 373167), (271, 263007), (459, 155283), (573, 124389), (813, 87669), (1377, 51761), (1719, 41463), (2439, 29223), (3247, 21951), (4607, 15471), (5157, 13821), (7317, 9741)]